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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-values/rem-unit-root-element.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-values/rem-unit-root-element.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-values/rem-unit-root-element.html | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-values/rem-unit-root-element.html b/testing/web-platform/tests/css/css-values/rem-unit-root-element.html new file mode 100644 index 0000000000..cfd7af17c4 --- /dev/null +++ b/testing/web-platform/tests/css/css-values/rem-unit-root-element.html @@ -0,0 +1,26 @@ +<!doctype html> +<title>CSS Values and Units Test: rem units on the root element</title> +<link rel="help" href="https://drafts.csswg.org/css-values/#rem"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<style> + :root { + font-size: 50px; + margin-left: 2rem; + padding-top: 2rem; + line-height: 2rem; + } +</style> +<script> + let rootStyle = getComputedStyle(document.documentElement); + test(() => assert_equals(rootStyle.marginLeft, "100px"), "rem based margin."); + test(() => assert_equals(rootStyle.paddingTop, "100px"), "rem based padding."); + test(() => assert_equals(rootStyle.lineHeight, "100px"), "rem based line-height."); + + test(() => { + document.documentElement.style.fontSize = "initial"; + let initialFontSize = parseInt(getComputedStyle(document.documentElement).fontSize); + document.documentElement.style.fontSize = "3rem"; + assert_equals(getComputedStyle(document.documentElement).fontSize, 3*initialFontSize + "px"); + }, "Check that rem font-size is based on the initial font-size."); +</script> |